 | | Report (volume) | | Economic Geology of the Idaho Springs District Clear Creek and Gilpin Counties, Colorado GEOLOGICAL (=) I...Geology of the Idaho Springs District Clear Creek and -i ;i ?i Gilpin Counties, Colorado By ROBERT H. MOENCH...___________ Mines and prospects in the Idaho Springs district ________________ Previous studies.____...gneiss. _________________________L___ J.______ Quartz gneiss.____________________________L__-_-_._-__...---------------- 20 21 21 '22 22 22 23 23 24 Quartz diorite_____-_--__________-____-__--__-__-___-__ |  | | Report (issue) | | Nines and Prospects, Idaho Springs District Clear Creek and Gilpin Counties, Colorado Descriptions and Kapa...Energy Commission Introduction The Idoiho Springs mining district forms an important segment of tae Front...From 1859, when placer gold was discovered in Idaho Springs and lode gold in Central City, through 1959...from a 50-square-mile area that includes the Idaho Springs and adjacent districts to the north, west, and...and southwest. The adjacent Central City district, which produced ores valued at more than $100 million |  | | Journal (article/letter/editorial) | | International University] at 22:16 23 December 2014 Gold mining is not romantic, it is dirty, and it is very hard...played out on a daily basis in opening the Colorado mining frontier, however, are very much the stuff...generation had seen an Colorado showing the Colorado mineral belt and the location of the mining districts discussed...1940; Elliot West 1997, verbal com.). scope of this mining economy. There simply was no other ecoThe initial...of 1858 were nomic force to compare with that of mining during the first all made along streams on the |  | | Report (issue) | | PRELIMINARY REPORT ON THE ECONOMIC GEOLOGY OF GILPIN COUNTY, COLORADO. By EDSON S. BASTIN and JAMES M. HiLL.1 INTRODUCTION...the economic geology of Gilpin County and adjacent portions of Clear Creek and Boulder counties, Colo.,...for information concerning this important mining district. The area considered lies 30 to 35 miles west...Kocky Mountains. It is the oldest lode-mining region in Colorado, and its discovery in 1859 was the occasion...productive portions of Gilpin County and small adjacent parts of Boulder and Clear Creek counties, all within |  | | Book | | Gkologim-in-charge. CATALOGUE OF MINERALS FOUND IN COLORADO. BY • F. M. ENDLICH. [EXTRACTED FROM THE TENTH...been adopted. tar as practicable, analyses of Colorado minerals have been given. They will aid examination...of the catalogue. systematic enumeration of the Colorado mineral species and references to the publications...Endlich, S. IN COLORADO. X. D. The continuous development of mineral resources of Colorado is productive...Geological .Report for PS75. Now, the survey of Colorado is completed, many additions of species new to |  | | Report (volume) | | UNITED STATES DEPARTMENT OF THE INTERIOR FRED A. SEATON, Secretary GEOLOGICAL SURVEY Thomas B. Nolan...between these two periods has been a byproduct of the mining of other minerals, such as ilmenite or gold, and...minerals in order to reduce the overall cost of mining. Large deposits of bastnaesite, which have recently...market for rare earths in this country, but domestic mining operations are insecure because of the threat of...the price below the domestic cost of mining. The profitable mining of monazite is dependent on the market |  | | Report (volume) | | Uranium Deposits of the Caribou Area, Boulder County Colorado GEOLOGICAL SURVEY BULLETIN This report concerns...Uranium Deposits of the Caribou Area, Boulder County Colorado By F. B. MOORE, W. S. CAVENDER, and' E. P.... UNITED STATES DEPARTMENT OF THE INTERIOR FRED A. SEATON, Secretary GEOLOGICAL SURVEY Thomas B. Nolan,...- - _________________ . Idaho Springs formation --______________ Boulder Creek granite____..________________...Uranium-bearing lead-silver veins___________________ Mine descriptions_____________________________________________ |  | | Book | | COLORADO'S HISTORIC MINING DISTRICTS ¢ LAURA ROSSETTER ys FULCRUM PUBLISHING GOLDEN, COLORADO @ Copyright...Rossetter, Laura. Mountain biking Colorado’s historic mining districts /Laura Rossetter. p. cm. Includes bibliographical...terrain cycling —Colorado—Guide-books. 2. Bicycle touring— Colorado — Guide-books. 3. Colorado — Description...Fulcrum Publishing 350 Indiana Street Golden, Colorado 80401 CONTENTS ACKNOWLEDGMENTS titer t COLORADOTAREAIMIAD...re Eee Perret re eae eee 1 Rides ‘AroundGripple Creek oe ek eect et ecto ee cess: 3 ee Goldi@amp Roa reese |  | | Book (edition) | | sOO0Ofoss Colorado LITHO BY WALSWORTH PUB. CO., INC., MARCELINE, MO. Colorado GOLD AND FARMS...Denver, of all other McMahon, unpublished Mining District, in reproduction. map Colo. places Albuquerque...Albuquerque, NM of Leadville a map of Territorial Colorado c. 1876, and a woodcut engraving Bird’s Eye View...scock G. York, Includes indexes. 1. Colorado. 2. Colorado. is Waele. Mines and mineral resources--...DressOne. MEXIC ies 35 Publisher’s Preface Colorado! The very name (which means “‘colored red’’) conjures |  | | Report (volume) | | UNITED STATES DEPARTMENT OF THE INTERIOR FRED A. SEATON, Secretary GEOLOGICAL SURVEY Thomas B. Nolan,...the cordilleran region, for example, Virginia City, Cripple Creek, Pachuca, and Guanajuato, are epithermal...At a few deposits, such as the DeLamar mine at Silver City, Idaho, the ore minerals are selenides. Typically...silver-gold deposits. At only 1 deposit, in the Hauraki district of New Zealand, does gold content of ore exceed...location District Principal product Mode of selenium occurrence Reference United States: hee County. 485 | | | Book (edition) | | org/details/coloradoitsgolds1880foss 77 Colorado Gold and Silver Mines, FARMS AND STOCK RANGES...r^HIS volume, as its name implies, is devoted to Colorado. Its con¬ tents are descriptive, statistical...interests. devoted to the mines. Part fourth is As mining is Colorado’s main industry and source of wealth...could make them. The narrative of gold and silver mining possesses enough of romance and adventure to interest...general reader, and the descriptions of mines, and of mining and milling, together with statements of requisite |  | | Journal (issue) | | . . . . . . . . . 19 by J. A. Scovil The Machow mine, Tamobrzeg, Poland . . . . . . . . . . . .. .. ...after argentite, 10 cm tall, from the Las Chispas mine, Arizpe, Sonora, Mexico. Houston Museum of Natural...altered either by nature, by construction, by further mining, or by subsequent collecting. If there is the slightest...geologic setting and mineralogy of the mine site. The Harding mine catalog will provide researchers and...citations on the Harding mine and information about other collections of Harding mine specimens. The museum |  | | Book (volume) | | vacation stops at a roadside “dig your own” gem mine. Junior finds a sapphire the size of a peach and...) Many an unsuspecting tourist has stopped at a mine to try his or her luck and become a rockhound for...Northwest States VOLUME 2 Alaska Idaho Arizona California Colorado lowa Minnesota Montana Hawaii Kansas...VOLUME 4 Northeast States Connecticut Delaware District of Columbia Illinois Indiana Louisiana Maine...North Carolina South Carolina Tennessee Virginia West Virginia Vermont Wisconsin “ NE i fe € IWNIOA |  | | Journal (article/letter/editorial) | | Southern California, 4 of which are described below. Creek Sand from Redlands, Cali. This interesting sand...the So. Pacific R.R.). It comes from San Timateo Creek which starts near the divide between above two mountains... coarse grained, and consists chiefly of smoky quartz and white albite with some black magnetite; much...much of the magnetite is embedded in the quartz. Desert Sand from Salvia Siding, Calif Collected from...sand with rounded edges and consists chiefly of quartz (smoky, white, brownish) with some white feldspar |  | | Report (volume) | | geology of the deposits, with consideration of mining methods and exploration, and estimates ofreserves... UNITED STATES DEPARTMENT OF THE INTERIOR FRED A. SEATON, Secretary GEOLOGICAL SURVEY Thomas B. Nolan,...geology of the deposits, with consideration of mining methods and exploration, and estimates of reserves..._-_-_-________ Mountain Pass district, California..-____-.-_.._______ Central district, Missouri.._________________________..._________________________ Hansonburg district, New Mexico___________________ Kings Creek district, South Carolina.._______________ |  | | Report (volume) | | estimates for uranium-vanadium deposits on the Colorado Plateau, by A. L. Bush and H. K. Stager__ __ ___...the Goodrich quartzite, Palmer area, Marquette County, Michigan, by R. C. Vickers. --(G) Wall-rock control...deposits in Golden Gate Canyon, Jefferson County, Colorado, by John W. Adams and Frederick Stugard, ...uranium deposits in the Red Desert, SweBtwater County, Wyoming, by Donald G. Wyant, William N. Sharp...in oolitic limestone near I /Tayoworth, Johnson County, Wyoming, by R. R. Guilinger and P. K. Theobald |  | | Report (volume) | | ............................................. Colorado........................................................................................ 102 District of Columbia .................................................................................. Idaho................................................................................................ Virginia......................................................................................... West Virginia.............................................. |  | | Report (issue) | | Geology and Ore Deposits of the Front Range Colorado By T. S. LO\'ERING and E. N. GODDARD GEOLOGICAL...cooperation with the Colorado State Geological Survey Board and the Colorado Metal Mining Fund ~ oopr is...__________________________________________ _ 1 Summary of mining districts---.---------------------Introduction...Metamorphic rocks ________________________ _ Idaho Springs formation _______________ _ Swandy ke hornblende...Quartzite at Coal Creek ________________ _ Igneous rocks _____________________________ _ Quartz monzonite gneiss |  | | Report (volume) | | UNITED STATES DEPARTMENT OF THE INTERIOR FRED A. SEATON, Secretary GEOLOGICAL SURVEY Thomas B. Nolan,...important were those in the Central City district, Colorado, from which about 300 tons of high-grade...Silver Cliff mine, Wyoming; the Jesse D No. 1 and No. 2 claims, Utah; and the Merry Widow mine, New Mexico...Utah; the Schwartzwalder (Ralston Creek) and Los Ochos mines, Colorado; the Early Day and Buckhorn claims...mines, Washington; the W. Wilson mine, Montana; the White King mine, Oregon; the deposits in the Pryor |  | | Book | | COLORADO MININC DIRECTORY. . 1 THE te COLORADO Directory of Mines, DESCRIPTION OF THE MINES AND...AND MILLS, AND THE MINING AND MILLING CORPORATIONS OF COLORADO, ARRANGED ALPHABETICALLY BY COUNTUS. j^ISTORY... WHOSE NERVE, ENERGY AND INDUSTRY HAVE PLACED COLORADO IN THE FRONT RANK OF BULLION PRODUCING STATES...WEALTH AND PROSPERITY, UNEQUALED IN THE HISTORY OF MINING COMMUNITIES, THIS WORK IS RESPECTFULLY DEDICATED...FARM FOB EVERYBODY Railway. COLORADO. Healthy, Attractive. Colorado is the great Sanitarium and Pl |  | | Report (volume) | | Reconnaissance for Radioactive Minerals in Washington, Idaho, and Western Montana 1952-1955 By PAULL. WEIS, FRANK...UNITED STATES DEPARTMENT OF THE INTERIOR FRED A. SEATON, Secretary GEOLOGICAL SURVEY Thomas B. Nolan,...1922Reconnaissance for radioactive minerals in Washington,. Idaho, and western Montana, 1952-1955, by Paul L. Weis...occurrences ____ ----___________________________ 7 7 11 Idaho----------------------------------------------------~---...occurrences in Lemhi County______________________ Camas district, Blaine County__________________________ Rustler |  | | Journal (article/letter/editorial) | | ORES OF GILPIN E•soN COUNTY, COLORADO. S. BASTIN. INTRODUCTION. An exhaustive report on the economic...geology of Gilpin County and adjacentportionsof Clear Creek and Bouldercounties, Colorado,'byEdsonS. Bastinand...principalminingcentersare the following: Gilpin County ................................... ['Central...GILPIN COUNTY, COLORADO. 263 [Idaho Springs. /Gilson. -[Alice. [Dumont. Clear Creek County .........Igneous ...... Little or not at all dynamo- Quartz diorite and Medium-grained associatedhornquartz |  | | Report (volume) | | UNITED STATES DEPARTMENT OF THE INTERIOR FRED A. SEATON, Secretary GEOLOGICAL SURVEY Thomas B. Nolan...distribution, physical and chemical properties, mining, processing, and uses of high-grade materials,...conglomerate, flint, gravel,. quartz-mica schist, novaculite, massive quartz, quartzite, sand, "sand-clay... physical and chemical properties, production, mining, processing, analyses, and uses of high-grade silica...Hartselle sandstone, which crops out in Jefferson County in the northeastern suburbs of Birmingham, has |  | | Book (edition) | | University-Kansas, QUARTZ Hawley-Gardner, Opbir-Burroughs, HILL anp NEVADAVILLE. Mercer County. ; ; California...ae American Hilae Ss POSEN 1% xiS LEA Colorado GOLD AND FARMS SILVER AND Peet tt Ae STOCK...HIS volume, as its name implies, is devoted to Colorado. tents are descriptive, statistical, and historical...part information A devoted to the mines. As mining is Colorado’s main industry and source of wealth...could make them. The narrative of gold and silver mining and possesses enough of romance : lays from |  | | Report (volume) | | UNITED STATES DEPARTMENT OF THE INTERIOR FRED A. SEATON, Secretary GEOLOGICAL SURVEY THOMAS B. NOLAN,...Geophysical Union.. Transactions, American Institute of Mining and Metallurgical Engineers _..._ American Journal...Mines Special Reports _.......__ ________ Colorado Mining Association publications . Economic Geology...Geology. _ . _ ___... Engineering and Mining Journal _ , Geochimica et Cosmochimica Acta _ Bulletin, Geological...of Sedimentary Petrology_...__._ Mines Magazine Mining Engineering ........___..._...._____ Advances in |
|
